I am just starting to build an app that will display PDF documents开发者_如何转开发. I\'ve been experimenting, subclassing UIView and using the code from Apples demo. I have a PDF document that contai
I have an application that draws images from a CGImage. The CImage itself is loaded using a CGImageSourceCreateImageAtIndex to create an image from a PNG file.
I have a UIScrollView decendent that implements a takeS开发者_开发知识库creenshot method that looks like this:
Is it possible to create a CGPath开发者_JS百科 from a given file? SVG would be preferred, but anything will work.PocketSVG will turn an SVG file into a UIBezierPath from which you can get a CGPath:
I\'m trying to place images on top of Google Maps and I\'m having trouble to fetch the overlay\'s boundingMapRect.
I want to have my iPhone application create a PDF file and store it in an appropriate place - probably the iBooks folder so it can be easily retrieved using iTunes, but that\'s a change for later once
I am developing a simple iPhone app, which: retrieves data from the server presents the data In order to present the data better I want to add nice 3d dynamic objects, for example:
I have a UIView subclass. This subclass has multiple subviews. Is i开发者_StackOverflow社区t possible to draw a line using core graphics inside a subview that is part of the uiview subclass?
Can someone provide an example of drawing an iPhone-like turning wheel using Core Graphics. I know it can be done by drawing a sequence of lines but that requires a math formula to work out line point
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